X = int(input())

if ((2000-X)%200) == 0: 
    print((2000-X)//200)
else:
    print((2000-X)//200+1) X = int(input()) X int(input()) int input() input if ((2000-X)%200) == 0: 
    print((2000-X)//200)
else:
    print((2000-X)//200+1) ((2000-X)%200) == 0 (2000-X)%200 2000-X 2000 X 200 0 print((2000-X)//200) print (2000-X)//200 2000-X 2000 X 200 print((2000-X)//200+1) print (2000-X)//200+1 (2000-X)//200 2000-X 2000 X 200 1 X = int(input()) int(input()) X
X = int(input())

if ((2000-X)%200) == 0: 
    print((2000-X)//200)
else:
    print((2000-X)//200+1)